indifferent

adj.

1. 不关心的, 冷淡的; 中立的
   • His manner was cold and indifferent.
     他的态度既冷淡又无动于衷。
2. 较差的, 平庸的
   • He is an indifferent cook.
     他是个手艺平平的厨师。
   • Her English is indifferent.
     她的英文很一般。